/* ===================================================
 * base.css — リセット・CSS変数・共通スタイル
 * 全ページで読み込む
 * =================================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Hiragino Sans', 'Noto Sans JP', 'Meiryo', sans-serif; color: #222; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

:root {
  --red: #c8102e;
  --red-dark: #9b0a1e;
  --gold: #d4a017;
  --gold-light: #f5e6b3;
  --line-green: #00B900;
  --line-green-dark: #009600;
  --bg-cream: #fdf8f0;
  --bg-gray: #f5f5f5;
  --border: #e0e0e0;
  --text-dark: #1a1a1a;
  --text-mid: #555;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.section-title {
  text-align: center;
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--red);
  margin: 10px auto 0;
}

.tag-red {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  margin-right: 6px;
}

.seo-h1 {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}